Mercurial > projects > ldc
comparison druntime/src/compiler/ldc/typeinfo/ti_cfloat.d @ 1458:e0b2d67cfe7c
Added druntime (this should be removed once it works).
author | Robert Clipsham <robert@octarineparrot.com> |
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date | Tue, 02 Jun 2009 17:43:06 +0100 |
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1456:7b218ec1044f | 1458:e0b2d67cfe7c |
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1 /** | |
2 * TypeInfo support code. | |
3 * | |
4 * Copyright: Copyright Digital Mars 2004 - 2009. | |
5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>. | |
6 * Authors: Walter Bright | |
7 * | |
8 * Copyright Digital Mars 2004 - 2009. | |
9 * Distributed under the Boost Software License, Version 1.0. | |
10 * (See accompanying file LICENSE_1_0.txt or copy at | |
11 * http://www.boost.org/LICENSE_1_0.txt) | |
12 */ | |
13 module rt.typeinfo.ti_cfloat; | |
14 | |
15 // cfloat | |
16 | |
17 class TypeInfo_q : TypeInfo | |
18 { | |
19 override string toString() { return "cfloat"; } | |
20 | |
21 override hash_t getHash(in void* p) | |
22 { | |
23 return (cast(uint *)p)[0] + (cast(uint *)p)[1]; | |
24 } | |
25 | |
26 static equals_t _equals(cfloat f1, cfloat f2) | |
27 { | |
28 return f1 == f2; | |
29 } | |
30 | |
31 static int _compare(cfloat f1, cfloat f2) | |
32 { int result; | |
33 | |
34 if (f1.re < f2.re) | |
35 result = -1; | |
36 else if (f1.re > f2.re) | |
37 result = 1; | |
38 else if (f1.im < f2.im) | |
39 result = -1; | |
40 else if (f1.im > f2.im) | |
41 result = 1; | |
42 else | |
43 result = 0; | |
44 return result; | |
45 } | |
46 | |
47 override equals_t equals(in void* p1, in void* p2) | |
48 { | |
49 return _equals(*cast(cfloat *)p1, *cast(cfloat *)p2); | |
50 } | |
51 | |
52 override int compare(in void* p1, in void* p2) | |
53 { | |
54 return _compare(*cast(cfloat *)p1, *cast(cfloat *)p2); | |
55 } | |
56 | |
57 override size_t tsize() | |
58 { | |
59 return cfloat.sizeof; | |
60 } | |
61 | |
62 override void swap(void *p1, void *p2) | |
63 { | |
64 cfloat t; | |
65 | |
66 t = *cast(cfloat *)p1; | |
67 *cast(cfloat *)p1 = *cast(cfloat *)p2; | |
68 *cast(cfloat *)p2 = t; | |
69 } | |
70 | |
71 override void[] init() | |
72 { static immutable cfloat r; | |
73 | |
74 return (cast(cfloat *)&r)[0 .. 1]; | |
75 } | |
76 } |